CN107968907A - A kind of lens array and the device and method of PD arrays attachment - Google Patents
A kind of lens array and the device and method of PD arrays attachment Download PDFInfo
- Publication number
- CN107968907A CN107968907A CN201711330981.6A CN201711330981A CN107968907A CN 107968907 A CN107968907 A CN 107968907A CN 201711330981 A CN201711330981 A CN 201711330981A CN 107968907 A CN107968907 A CN 107968907A
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- Prior art keywords
- lens
- arrays
- lens array
- ccd
- attachment
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4221—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements involving a visual detection of the position of the elements, e.g. by using a microscope or a camera
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Lens Barrels (AREA)
Abstract
The present invention relates to a kind of device and method of array attachment, belong to optical device technical field, be specifically related to a kind of lens array and the device and method of PD arrays attachment.The device and method combination image procossing and infrared technique, more easily realize the alignment of silicon lens array or glass lens array and PD arrays.Technological operation simple, intuitive, can effectively improve the process yields and man-hour work efficiency.
Description
Technical field
The present invention relates to a kind of device and method of array attachment, belong to optical device technical field, be specifically related to one kind
Lens array and the device and method of PD arrays attachment.
Background technology
With smart machine and cloud computing, the appearance of Internet of Things, network demand is constantly soaring, improves system transfer rate and compels
In the eyebrows and eyelashes, 100G and higher rate Transmission system are applied.In terms of high-speed transfer, multi-channel chip collection is generally used at present
Into form improve device transmission rate.For integrated optical receiver, attachment lens array is needed before PD arrays, to extraneous light
Converged.To ensure that whole light path has preferable coupling efficiency, this design requirement lens array is aligned with PD array center.
" a kind of lens array and PD array is directed at paster apparatus and its alignment methods to patent in high precision
201410763969.4 " obtain the center of circle and the PD array photosurfaces center of circle of lens array clear aperature using the method taken pictures twice
Position, calculate position and the position slope differences in both centers of circle, then adjust lens array position, again calculation position slope
Difference, then adjust, untill meeting that center location is completely superposed.This method is higher to equipment precision requirement, generally require through
Repeatedly adjustment is crossed lens centre could to be aligned with photosurface center, and alignment procedures are not directly perceived, and practical effect is poor；
It is saturating for the silicon that is opaque to visible light but simultaneously because the invention obtains lens and PD centers using the CCD of an observation visible ray
Mirror mounts, and which can not achieve.
The content of the invention
The present invention mainly solves the upper technical problem present in the prior art, has supplied a kind of a kind of lens array of offer
With the device and method of PD arrays attachment.The device and method combination image procossing and infrared technique, more easily realize silicon
The alignment of lens array or glass lens array and PD arrays.Technological operation simple, intuitive, can effectively improve the process yields and
Man-hour work efficiency.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of lens array and the device of PD arrays attachment, it includes：
Main view CCD, can receive infrared light, and for focusing lens array and PD arrays and be imaged；
Side view CCD, quantity are two or more, and CCD focal lengths and fixed position are adjustable, for the lens from side and PD patches
Relative position during dress in the vertical；
Slide platform, is slidably arranged on the slide of bottom plate, sets spacing to fix and be located at the main view CCD mirrors thereon
Lens loading stage and PD loading stages in head shooting area, the lens loading stage bottom surface is provided with infrared light supply.
Preferably, a kind of above-mentioned lens array and the device of PD arrays attachment, its described lens loading stage bottom surface are set
High transparent glass plate, the high transparent glass plate lower section set infrared light supply.
Preferably, a kind of above-mentioned lens array and the device of PD arrays attachment, it includes：The PD loading stages are machined with
External negative pressure is with the stomata of absorptive element.
Preferably, a kind of above-mentioned lens array and the device of PD arrays attachment, its described main view CCD decentralizations setting are used for
Draw the absorption suction nozzle of lens.
Preferably, a kind of above-mentioned lens array and the device of PD arrays attachment, it includes：Set on the PD loading stages
There is limiting slot, be used for realization the fine setting in 4 directions all around.
Preferably, a kind of above-mentioned lens array and the device of PD arrays attachment, before its described lens loading stage can be realized
The fine setting of left and right and rotation angle afterwards.
Preferably, the device of a kind of above-mentioned lens array and PD arrays attachment, its device be used to mounting silicon lens and
Silicon lens array.
A kind of method that device using any of the above-described kind of lens array and the attachment of PD arrays is mounted, it includes：
Step 1, PD arrays and lens array are individually placed to lens loading stage, on PD loading stages；
Step 2, shifting sledge platform moves to PD arrays in main CCD visual fields, adjustment CCD to PD light to the first side of slide
Quick member image is most clear, obtains PD arrays the first PD and the 4th PD to be mounted and marks；
Step 3, shifting sledge platform moves to lens array in main CCD visual fields, main CCD is received through saturating to the second side
The infrared light of lens array, adjusts main CCD to the image in the lens center of circle to most clear, by lens array the first lens center of circle and the 4th
Mark of the lens center of circle respectively with corresponding PD is aligned；
Step 4, suction nozzle knob is adjusted, pushes suction nozzle, observe suction nozzle by the side view CCD being fixed on column connects with lens
Touch, open suction nozzle negative pressure switch, draw lens, keep negative pressure, be lifted up suction nozzle；
Step 5, PD arrays are moved in main CCD visual fields to the first side, push suction nozzle, pass through fixation by shifting sledge platform
Side view CCD observation lens on column contact with PD array columns and confirm lens long side holding level, by being fixed on cunning
Side view ccd on the left of rail confirms that lens short side keeps horizontal, completes lens mounting operation.
Therefore, the invention has the advantages that：
1st, wide adaptation range, can be not only used for the attachment of glass lens array, and available for the attachment of silicon lens；
2nd, in lens and PD alignment procedures, alignment position can be intuitively adjusted, lens can be achieved without repeated multiple times adjustment
It is aligned with PD centers；
3rd, technical process is simple, can effectively improve lens attachment process efficiency, be particularly suitable for producing in batches.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 shows the attachment schematic diagram in technology；
Fig. 4 is the attachment schematic diagram of the present invention；
In figure：101 slides, 102 first side ccd, 103 main ccd, 104 columns, 105 second side ccd, 106 slide platforms,
107 bottom plates, 201PD loading stages, 202 pressure sensors, 203 lens suction nozzles, 204 lens loading stages, 401PD arrays, 402 masters
Ccd, 403 lens arrays, 404 optical glass, 405 infrared light supplies.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：
The present invention provides providing a kind of lens array and the device and method of PD arrays attachment, with reference to image procossing and red
Outer technology, more easily realizes the alignment of silicon lens array or glass lens array and PD arrays.Technological operation simple, intuitive,
The process yields and man-hour work efficiency can be effectively improved.
Alignment paster apparatus structure includes：Bottom plate, column, high-precision slide, slide platform, main view CCD, side view CCD are high
Precision micropositioning stage, lens suction nozzle, PD loading stages, lens loading stage, infrared light supply.Wherein high-precision slide is fixed on bottom plate,
Main view CCD and a side view CCD are fixed on column, another side ccd is fixed on slide left end.Main view CCD and lens suction nozzle
It is relatively fixed and can be moved up and down on column, wherein main view CCD can receives visible ray, can also receive infrared light.Lens
Loading stage, PD loading stages are fixed on slide platform, and relative position is fixed, and slide platform can move left and right on slide, when
PD loading stages are located in main view CCD visual fields when slide platform moves to rightmost, and when slide platform moves to Far Left, lens load
Platform is located in main view CCD visual fields.Lens platform bottom surface is high transparent glass plate, is internally provided with upward infrared light supply.
In the present embodiment, side ccd can observe when suction nozzle draws lens whether lens are horizontal, and lens are directed at attachment with PD
When, when suction nozzle is depressed into lens and is contacted with two edge column of PD arrays, whether can preserve level by lens from two sides.
In the present embodiment, under main view CCD for draw suction nozzle, for drawing lens and mounting.On PD loading stages be
Lower array spilehole, and external vacuum pump are processed on platform, with negative-pressure adsorption PD arrays, fixes its position.Lens array is direct
It is placed on optical glass, without frock clamping or vacuum suction positioning.
Illustrate the operating procedure of present invention alignment attachment lens array with reference to Fig. 1：
1st, PD arrays to be mounted and lens array are individually placed on corresponding loading stage,
2nd, slide platform to rightmost, modulates vernier knob on PD loading stages, PD arrays is moved to main CCD on shifting sledge
In visual field, it is most clear to adjust the photosensitive first images of main CCD to PD, passes through industrial personal computer epigraph identification software and obtains PD arrays to be mounted
First PD and the 4th PD simultaneously uses cross hairs mark on CCD imaging softwares；
3rd, slide platform to Far Left, lens array is moved in main CCD visual fields, main CCD, which is received, to be passed through on shifting sledge
The infrared light of silicon lens, adjustment CCD is most clear to lens center of circle image, fine setting lens loading stage all around and rotation angle,
Lens array the first lens center of circle and the 4th lens center of circle are aligned with the corresponding PD centers of circle respectively；
4th, suction nozzle is pushed, registration is fed back by pressure sensor and side CCD confirms that suction nozzle is contacted with lens array, opens and inhales
Head negative pressure switch, closes lens and reprints negative pressure on platform, completes to draw lens and lifts suction nozzle；
5th, slide platform to rightmost, pushes suction nozzle, is confirmed by pressure sensor reading and side CCD saturating on shifting sledge
Lens array is contacted with PD arrays both ends stent；
6th, suction nozzle negative pressure is closed, suction nozzle is lifted and completes lens attachment process.
In patent, " a kind of lens array and PD array is directed at paster apparatus and its alignment methods in high precision
In 2014107693969.4 ", attachment schematic diagram is as shown in figure 3, PD is photosensitive up, and downward, device uses high definition to lens sphere
CCD observes visible images from top to bottom, obtains the PD arrays center of circle and the lens array center of circle, due to needing the photosensitive first centers of PD
It is aligned with lens centre, for the silicon lens permutation being opaque to visible light but, which cannot be completed to mount.
The present invention can complete the attachment of the glass lens of light-permeable, simultaneously because using the technology of infrared imaging, lens
Infrared light supply is housed, main view CCD can obtain lens infrared image, and attachment schematic diagram is as shown in figure 4, for impermeable under loading stage
The silicon lens of visible ray, which can still complete attachment process, and accommodation is wider.
In summary, a kind of ceramic cartridge proposed by the invention, relative to current scheme, has the following advantages：
1st, wide adaptation range, can be not only used for the attachment of glass lens array, and available for the attachment of silicon lens；
2nd, in lens and PD alignment procedures, alignment position can be intuitively adjusted, lens can be achieved without repeated multiple times adjustment
It is aligned with PD centers；
3rd, technical process is simple, can effectively improve lens attachment process efficiency, be particularly suitable for producing in batches.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of lens array and the device of PD arrays attachment, it is characterised in that including：
Main view CCD, can receive infrared light, and for focusing lens array and PD arrays and be imaged；
Side view CCD, quantity are two or more, and CCD focal lengths and fixed position are adjustable, for when lens are mounted with PD from side
Relative position in the vertical；
Slide platform, is slidably arranged on the slide of bottom plate, sets spacing to fix and clapped positioned at the main view CCD camera lenses thereon
The lens loading stage and PD loading stages in region are taken the photograph, the lens loading stage bottom surface is provided with infrared light supply.
2. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that the lens dress
Microscope carrier bottom surface sets high transparent glass plate, and infrared light supply is set below the high transparent glass plate.
3. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that including：It is described
PD loading stages are machined with external negative pressure with the stomata of absorptive element.
4. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that the main view
CCD decentralizations set the absorption suction nozzle for being used for drawing lens.
5. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that including：It is described
Limiting slot is provided with PD loading stages, is used for realization the fine setting in 4 directions all around.
6. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that the lens dress
Microscope carrier can realize all around and rotation angle fine setting.
7. a kind of lens array according to claim 1 and the device of PD arrays attachment, it is characterised in that the device is used for
Mount silicon lens and silicon lens array.
8. the method mounted using the device of any of the above-described kind of lens array and the attachment of PD arrays, it is characterised in that including：
Step 1, PD arrays and lens array are individually placed to lens loading stage, on PD loading stages；
Step 2, PD arrays are moved in main CCD visual fields to the first side of slide, adjust the photosensitive members of CCD to PD by shifting sledge platform
Image is most clear, obtains PD arrays the first PD and the 4th PD to be mounted and marks；
Step 3, shifting sledge platform moves to lens array in main CCD visual fields, main CCD is received and passed through lens array to the second side
The infrared light of row, adjusts main CCD to the image in the lens center of circle to most clear, by lens array the first lens center of circle and the 4th lens
Mark of the center of circle respectively with corresponding PD is aligned；
Step 4, suction nozzle knob is adjusted, pushes suction nozzle, observe suction nozzle by the side view CCD being fixed on column contacts with lens,
Suction nozzle negative pressure switch is opened, draws lens, negative pressure is kept, is lifted up suction nozzle；
Step 5, shifting sledge platform moves to PD arrays in main CCD visual fields, pushing suction nozzle is vertical by being fixed on to the first side
Side view CCD observation lens on column contact with PD array columns and confirm lens long side holding level, by being fixed on a slide left side
The side view ccd of side confirms that lens short side keeps horizontal, completes lens mounting operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330981.6A CN107968907B (en) | 2017-12-13 | 2017-12-13 | Device and method for mounting lens array and PD array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711330981.6A CN107968907B (en) | 2017-12-13 | 2017-12-13 | Device and method for mounting lens array and PD array |
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| Publication Number | Publication Date |
|---|---|
| CN107968907A true CN107968907A (en) | 2018-04-27 |
| CN107968907B CN107968907B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711330981.6A Active CN107968907B (en) | 2017-12-13 | 2017-12-13 | Device and method for mounting lens array and PD array |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548840A (en) * | 2018-05-15 | 2018-09-18 | 合肥众沃仪器技术有限公司 | A kind of self-operated measuring unit of film stationary fixture and film shrink rate |
| CN108873200A (en) * | 2018-08-31 | 2018-11-23 | 深圳市亚派光电器件有限公司 | A kind of coupled system of optical device and the coupling process of optical device |
| CN112558244A (en) * | 2020-12-28 | 2021-03-26 | 武汉光迅科技股份有限公司 | Method and device for flip coupling of optical chip |
| CN112683317A (en) * | 2020-12-23 | 2021-04-20 | 浙江澍源智能技术有限公司 | Auxiliary adjustment area array, linear array detector mounting device and mounting method |
| CN113387175A (en) * | 2021-06-16 | 2021-09-14 | 深圳谦腾科技有限公司 | Coaxial adsorption mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108548840A (en) * | 2018-05-15 | 2018-09-18 | 合肥众沃仪器技术有限公司 | A kind of self-operated measuring unit of film stationary fixture and film shrink rate |
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| CN112683317A (en) * | 2020-12-23 | 2021-04-20 | 浙江澍源智能技术有限公司 | Auxiliary adjustment area array, linear array detector mounting device and mounting method |
| CN112558244A (en) * | 2020-12-28 | 2021-03-26 | 武汉光迅科技股份有限公司 | Method and device for flip coupling of optical chip |
| CN112558244B (en) * | 2020-12-28 | 2022-06-17 | 武汉光迅科技股份有限公司 | Method and device for flip coupling of optical chip |
| CN113387175A (en) * | 2021-06-16 | 2021-09-14 | 深圳谦腾科技有限公司 | Coaxial adsorption mechanism |
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| CN107968907B (en) | 2020-06-02 |
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